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CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE
#vulnerability#windows#perl#buffer_overflow#firefox

Mozilla Foundation Security Advisory 2023-30

Announced

August 1, 2023

Impact

high

Products

Firefox ESR

Fixed in

  • Firefox ESR 102.14

#CVE-2023-4045: Offscreen Canvas could have bypassed cross-origin restrictions

Reporter

Max Vlasov

Impact

high

Description

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy.

References

  • Bug 1833876

#CVE-2023-4046: Incorrect value used during WASM compilation

Reporter

Alexander Guryanov

Impact

high

Description

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process.

References

  • Bug 1837686

#CVE-2023-4047: Potential permissions request bypass via clickjacking

Reporter

Axel Chong (@Haxatron)

Impact

high

Description

A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions.

References

  • Bug 1839073

#CVE-2023-4048: Crash in DOMParser due to out-of-memory conditions

Reporter

Irvan Kurniawan

Impact

high

Description

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations.

References

  • Bug 1841368

#CVE-2023-4049: Fix potential race conditions when releasing platform objects

Reporter

Nika Layzell

Impact

high

Description

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities.

References

  • Bug 1842658

#CVE-2023-4050: Stack buffer overflow in StorageManager

Reporter

Mark Brand

Impact

high

Description

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape.

References

  • Bug 1843038

#CVE-2023-4054: Lack of warning when opening appref-ms files

Reporter

P Umar Farooq

Impact

moderate

Description

When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.
This bug only affects Firefox on Windows. Other operating systems are unaffected.

References

  • Bug 1840777

#CVE-2023-4055: Cookie jar overflow caused unexpected cookie jar state

Reporter

Marco Squarcina

Impact

low

Description

When the number of cookies per domain was exceeded in document.cookie, the actual cookie jar sent to the host was no longer consistent with expected cookie jar state. This could have caused requests to be sent with some cookies missing.

References

  • Bug 1782561

#CVE-2023-4056: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14

Reporter

Dianna Smith, Ryan VanderMeulen, Timothy Nikkel, and the Mozilla Fuzzing Team

Impact

high

Description

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

References

  • Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14

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CVE-2023-4056: Bug List

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

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Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4048: Invalid Bug ID

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